From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@citrix.com>
Subject: Re: Testing xen-arm on Arndale
Date: Mon, 1 Apr 2013 15:15:32 +0100
Message-ID: <51599684.7000107@citrix.com>
References: <CAJWjLtp3yQhL1x9L=Lb6zq19Qc0dJwfjarwgd1NxFYNxXfER=g@mail.gmail.com>
	<5151C711.5090604@citrix.com>	<5151F707.8080704@citrix.com>
	<CAJWjLtr=ZhEuRNiR5_gW_NANr4ykBpxAaCpc8M+oVFxWJ89x_Q@mail.gmail.com>
	<CAJWjLtrp91D7WktwsLFUGDFu7EJ30iyiQ+JhU_mh5n_fJhwnqA@mail.gmail.com>
	<alpine.DEB.2.02.1303271152050.4430@kaball.uk.xensource.com>
	<CAJWjLtrC2sDdOUCQcg2H3D3b2_RiXaheMbamzHXg_qNcuHtkxg@mail.gmail.com>
	<alpine.DEB.2.02.1303281159530.4430@kaball.uk.xensource.com>
	<CAJWjLtqhrZCA-3zOeVrkx0ukrU38Mr52cqSwr4n1kp7NpOos6w@mail.gmail.com>
	<51558C47.7000008@citrix.com>
	<CAJWjLtpx-e+bpGDVmZC8h6Q5_goFENumJ-wh+4Bj0wH1RyJOsg@mail.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Return-path: <xen-devel-bounces@lists.xen.org>
In-Reply-To: <CAJWjLtpx-e+bpGDVmZC8h6Q5_goFENumJ-wh+4Bj0wH1RyJOsg@mail.gmail.com>
List-Unsubscribe: <http://lists.xen.org/cgi-bin/mailman/options/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xen.org>
List-Help: <mailto:xen-devel-request@lists.xen.org?subject=help>
List-Subscribe: <http://lists.xen.org/cgi-bin/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xen.org?subject=subscribe>
Sender: xen-devel-bounces@lists.xen.org
Errors-To: xen-devel-bounces@lists.xen.org
To: Sengul Thomas <thomas.sengul@gmail.com>
Cc: Anthony Perard <anthony.perard@citrix.com>, Xen Devel <xen-devel@lists.xen.org>, Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>
List-Id: xen-devel@lists.xenproject.org

On 03/30/2013 03:40 AM, Sengul Thomas wrote:

>>
>> I have pushed a working tree for domU based on linux 3.9-rc3:
>> http://xenbits.xen.org/gitweb/?p=people/julieng/linux-arm.git;a=shortlog;h=refs/heads/arndale-domU-3.9
>>
>> You can compile with:
>> make ARCH=arm xen_domU_arndale_defconfig
>> make ARCH=arm zImage
> 
> Thanks a lot! Julien,  now I can see console messages when booting domU.
> 
>>
>> The xenvm-4.2.dts only works with Versatile Expresss, because the gic is not
>> mapped to the right address.
> 
> I noticed that you have changed the gic mmio address to 0x10481000.
> I figured that this gic (actually vgic) is emulated by
> "xen/arch/arm/vgic.c" and according to the source code,
> the virtual mmio address is defined as following:
> 
>     #define VGIC_DISTR_BASE_ADDRESS (GIC_BASE_ADDRESS+GIC_DR_OFFSET)
> 
> which is the same physical gic mmio address (plus GIC_DR_OFFSET).
> So we have to use this (0x10481000) value, right?


Yes. This value is hard-coded for the moment. In the future, we will try
to retrieve the base address from the DTS.

Cheers,

Julien